package com.itheima.shop.service;


import com.github.pagehelper.PageInfo;
import com.itheima.shop.entity.Product;

public interface ProductService {
	public Product findByPid(int pid);
	public PageInfo<Product> findByCid(int cid,int pageNum,int pageSize,String orderBy);
	public PageInfo<Product> findHot();
	public PageInfo<Product> findNew();
}
